service repair manual

1. 2008 EDGE / WIDETRAK SNOWMOBILE
SERVICE MANUAL
FOREWORD
This service manual is designed primarily for use by certified Polaris Master Service Dealer technicians in a properly
equipped shop and should be kept available for reference. All references to left and right side of the vehicle are from
the operator's perspective when seated in a normal riding position.
Some procedures outlined in this manual require a sound knowledge of mechanical theory, tool use, and shop
procedures in order to perform the work safely and correctly. Technicians should read the text and be familiar with service
procedures before starting the work. Certain procedures require the use of special tools. Use only the proper tools as
specified.
Comments or suggestions about this manual may be directed to: Service Publications Dept. @ Polaris Sales Inc. 2100
Hwy 55 Medina Minnesota 55340.
2008 EDGE / Widetrak Snowmobile Service Manual PN 9921481
© Copyright 2007 Polaris Sales Inc. All information contained within this publication is based on the latest product information at the time of publication. Due to constant
improvements in the design and quality of production components, some minor discrepancies may result between the actual vehicle and the information presented in this
publication. Depictions and/or procedures in this publication are intended for reference use only. No liability can be accepted for omissions or inaccuracies. Any reprinting
or reuse of the depictions and/or procedures contained within, whether whole or in part, is expressly prohibited. Printed in U.S.A.

2. 2008 EDGE / Widetrak
Service Manual Chapters
Model Specifications........................... .... 1
General Information............................ .... 2
Maintenance....................................... .... 3
Fuel Systems...................................... .... 4
Engine Systems
.................................. .... 5
Final Drive and Brake Systems.......... .... 6
PVT System
........................................ .... 7
Front and Rear Suspensions.............. .... 8
Chassis............................................... .... 9
Electrical Systems.............................. .... 10
Wiring Schematics.............................. .... 11

3. Model Specifications
1.1
CHAPTER 1
Model Specifications
1
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2
2008 340. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2
2008 340 TRANSPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4
2008 SUPERSPORT / 550 LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6
2008 TRAIL TOURING DELUXE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8
2008 TRAIL RMK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.10
2008 WIDETRAK LX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.12

4. 1.2
Model Specifications
SPECIFICATIONS
2008 340
Model Number: S08NB3AS
Engine
Engine Type
Fuji Fan-Cooled / Piston
Port Induction
Model Number EC34-2PM074
Displacement / # Cylinders 339cc / 2
Bore (inches/mm) 2.45 / 62.23
Stroke (inches/mm) 2.19 / 55.6
Piston to Cylinder Clearance
(inches/mm)
.003 - .005 / .076 - .127
Installed Ring Gap
(inches / mm)
.008 - .014 / .203 - .356
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 4100
Carburetor Settings
Type Mikuni VM30SS
Main Jet 170
Pilot Jet 35
Jet Needle/Clip position 5DP13 / 3
Needle Jet O-6 (169)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.240 / 6.1
B - 15/64
Cutaway 2.5 AL
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) 1.5
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
185
#4
180
#3
170
#3
170
#3
165
#3
160
#3
155
#3
150
#3
600-1200
(2000-4000)
175
#3
170
#3
160
#3
160
#3
155
#3
150
#3
140
#2
140
#2
1200-1800
(4000-6000)
165
#3
160
#3
155
#3
150
#3
145
#3
140
#2
130
#2
130
#2
1800-2400
(6000-8000)
155
#3
150
#3
140
#3
135
#3
135
#2
130
#2
120
#1
120
#1
2400-3000
(8000-10,000)
145
#3
140
#3
130
#2
130
#2
125
#2
120
#1
110
#1
110
#1
3000-3700
(10,000-12,000)
135
#3
130
#2
120
#2
115
#2
115
#1
110
#1
100
#1
100
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-900
(0-3000)
10
110 / 290
(2287)
RED/BLK
S36
LW ER
16:41-72
900-1800
(3000-6000)
10M-B
1800-2700
(6000-9000)
10M-W
2700-3700
(9000-12,000)
10M-R
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

5. 1.3
Model Specifications
1
General
Width (in/cm) 48 / 121.9
Length (in/cm) 113 / 287
Height (in/cm) 48 / 121.9
Estimated Dry Weight
(lb/kg)
450 / 204.5
Fuel (Gallons / Liters) 11.8 / 44.7
Oil (Quarts / Liters) 3.25 / 3.1
Brake Fluid DOT 4
Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)
3211078
1.438 / 3.65
28_
46.625 / 118.4
11.5 / 29.2
Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Reverse System
7.92
16
41
72
Polaris Synthetic
9 / 266.2
Perc
Electrical
Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)
13.5 - 14.5 Vdc
240
Ignition Timing 26.5_ @3000 RPM
Spark Plug Gap in.(mm) .028 (.70)
Spark Plug NGK BR8ES
CDI Marking CU7245
Flywheel Marking FP9313
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 121 (307)
Lug Height - Inches (cm) .82 (2.08)
Track tension sag in/cm with
10 lbs/4.54kg placed 16 in/
40cm ahead of rear idler
shaft
3/8” - 1/2” (1 - 1.3cm)
Front Suspension
Suspension Type EDGE 42.5
Shocks Arvin Nitrex Gas Bag
IFS Spring Rate
lbs/in (N/mm)
100 (1.79)
Spring Pre-load
Inches (cm)
.625 (15.9)
Front Vertical Travel
Inches (cm)
10 (25.4)
Suspension Width
Inches (cm)
40.44 +/- .25 (102.71 +/- .63)
Camber Inches (cm) .59 +/- .31 (1.5 +/- .8)
Toe Out Inches (cm)
(Measured over 20
inches)
.12 - .25 (.30 - .63)
Rear Suspension
Suspension Type EDGE 121
Front Track Shock (FTS) Arvin Nitrex Gas Bag
FTS Spring Rate
lbs/in (N/mm)
200 - 240 (3.6 - 4.3)
Rear Track Shock (RTS)
Ryde FX MPV
Compression Adjustable
Torsion Springs
.359 / 77_ (Stock)
- PN 7041629-067
- PN 7041630 - 067
.375 / 77_ (Firm)
- PN 7041942 - 067
- PN 7041943 - 067
Rear Travel Inches (cm) 13.9 (35.3)

6. 1.4
Model Specifications
2008 340 Transport
Model Number: S08NT3AS / S08NT3AE
Engine
Engine Type
Fuji Fan-Cooled / Piston
Port Induction
Model Number EC34-2PM074
Displacement / # Cylinders 339cc / 2
Bore (inches/mm) 2.45 / 62.23
Stroke (inches/mm) 2.19 / 55.6
Piston to Cylinder Clearance
(inches/mm)
.003 - .005 / .076 - .127
Installed Ring Gap
(inches / mm)
.008 - .014 / .203 - .356
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 4100
Carburetor Settings
Type Mikuni VM30SS
Main Jet 170
Pilot Jet 35
Jet Needle/Clip position 5DP13 / 3
Needle Jet O-6 (169)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.240 / 6.1
B - 15/64
Cutaway 2.5 AL
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) 1.5
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
185
#4
180
#3
170
#3
170
#3
165
#3
160
#3
155
#3
150
#3
600-1200
(2000-4000)
175
#3
170
#3
160
#3
160
#3
155
#3
150
#3
140
#2
140
#2
1200-1800
(4000-6000)
165
#3
160
#3
155
#3
150
#3
145
#3
140
#2
130
#2
130
#2
1800-2400
(6000-8000)
155
#3
150
#3
140
#3
135
#3
135
#2
130
#2
120
#1
120
#1
2400-3000
(8000-10,000)
145
#3
140
#3
130
#2
130
#2
125
#2
120
#1
110
#1
110
#1
3000-3700
(10,000-12,000)
135
#3
130
#2
120
#2
115
#2
115
#1
110
#1
100
#1
100
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-900
(0-3000)
10
110 / 290
(2287)
BLU/BLK
54/38 .25
LW ER
17:41-72
900-1800
(3000-6000)
10M-B
1800-2700
(6000-9000)
10M-W
2700-3700
(9000-12,000)
10M-R
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

7. 1.5
Model Specifications
1
General
Width (in/cm) 48 / 121.9
Length (in/cm) 128 / 325.1
Height (in/cm) 49.5 / 125.7
Estimated Dry Weight
(lb/kg)
497 / 225.6
Fuel (Gallons / Liters) 12.25 / 46.4
Oil (Quarts / Liters) 3.4 / 3.2
Cooling System Capacity
(Quarts / Liters)
6.3 / 6
Brake Fluid DOT 4
Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)
3211078
1.438 / 3.65
28_
46.625 / 118.4
11.5 / 29.2
Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Reverse System
7.92
17
41
72
Polaris Synthetic
9 / 266.2
Perc
Electrical
Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)
13.5 - 14.5 Vdc
240
Ignition Timing 26.5_ @ 3000 RPM
Spark Plug Gap in.(mm) .028 (.70)
Spark Plug NGK BR8ES
CDI Marking CU7245
Flywheel Marking FP9313
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 136 (345)
Lug Height - Inches (cm) 1.25 (3.175)
Track tension sag in/cm with
10 lbs/4.54kg placed 16 in/
40cm ahead of rear idler
shaft
1 1/8” - 1 3/8” (2.9 - 3.5cm)
Front Suspension
Suspension Type EDGE 42.5
Shocks Arvin Nitrex Gas Bag
IFS Spring Rate
lbs/in (N/mm)
100 (1.79)
Spring Pre-load
Inches (cm)
.625 (15.9)
Front Vertical Travel
Inches (cm)
10 (25.4)
Suspension Width
Inches (cm)
40.44 +/- .25 (102.71 +/- .63)
Camber Inches (cm) .59 +/- .31 (1.5 +/- .8)
Toe Out Inches (cm)
(Measured over 20
inches)
.12 - .25 (.30 - .63)
Rear Suspension
Suspension Type EDGE 136
Front Track Shock (FTS) Arvin Nitrex Gas Bag
FTS Spring Rate
lbs/in (N/mm)
200 - 240 (3.6 - 4.3)
Rear Track Shock (RTS)
Ryde FX MPV
Compression Adjustable
Torsion Springs
.405 / 77_ (Stock)
- PN 7041940 - 067
- PN 7041941 - 067
.375 / 77_ (Softer)
- PN 7041942 - 067
- PN 7041943 - 067
Rear Travel Inches (cm) 13.9 (35.3)

8. 1.6
Model Specifications
2008 Supersport / 550 LX
Model Number:
Supersport = S08NP5BS / S08NP5ES
550 LX = S08ND5BS
Engine
Engine Type
Fuji Fan-Cooled / Piston
Port w/Reed Assist
Induction
Model Number EC55PM101
Displacement / # Cylinders 544cc / 2
Bore (inches/mm) 2.87 / 73
Stroke (inches/mm) 2.56 / 65
Piston to Cylinder Clearance
(inches/mm)
.0039 - .0053 (.10 - .135)
Installed Ring Gap
(inches / mm)
.016 - .022 (.40 - .55)
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 3800
Carburetor Settings
Type Mikuni VM34
Main Jet 240
Pilot Jet 35
Jet Needle/Clip position 6BGY41 / 4
Needle Jet Q-0 (480)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.256 / 6.5
F
Cutaway 3.0
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) 1.0
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
270
#4
260
#4
250
#4
240
#4
230
#3
220
#3
210
#2
200
#1
600-1200
(2000-4000)
260
#4
250
#4
240
#3
230
#3
220
#3
220
#2
210
#2
200
#1
1200-1800
(4000-6000)
250
#4
240
#3
230
#3
220
#3
210
#2
210
#2
200
#2
190
#1
1800-2400
(6000-8000)
230
#3
220
#3
220
#3
210
#2
210
#2
200
#2
190
#1
180
#1
2400-3000
(8000-10,000)
220
#3
210
#3
210
#2
200
#2
190
#2
190
#2
180
#1
170
#1
3000-3700
(10,000-12,000)
210
#3
200
#3
190
#2
190
#2
180
#2
180
#2
170
#1
160
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-62
Dk. BLU/
WHT
RED/BLU
56/42 - .36
LW ER
19:39-72
600-1200
(2000-4000)
10-60
1200-1800
(4000-6000)
1800-2400
(6000-8000)
10-58
18:39 72
2400-3000
(8000-10000)
10-56
3000-3600
(10000-12000)
10-56
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

9. 1.7
Model Specifications
1
General
Width (in/cm) 48 / 121.9
Length (in/cm) 113 / 287
Height (in/cm) 48 / 121.9
Estimated Dry Weight
(lb/kg)
Supersport = 470 (213.6)
550 LX = 489 (222)
Fuel (Gallons / Liters) 11.8 / 44.7
Oil (Quarts / Liters) 3.25 / 3.1
Brake Fluid DOT 4
Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)
3211078
1.438 / 3.65
28_
46.625 / 118.4
11.5 / 29.2
Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Reverse System
7.92
19
39
72
Polaris Synthetic
9 / 266.2
Perc
Electrical
Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)
13.5 - 14.5 Vdc
280
Ignition Timing
27_ @ 3000 RPM
14_ @ 6500 RPM
Spark Plug Gap in.(mm) .028 (.70)
Spark Plug NGK BR9ES
CDI Marking EC55PM100 / 110
Flywheel Marking FP6318
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 121 (307)
Lug Height - Inches (cm) .82 (2.08)
Track tension sag in/cm with
10 lbs/4.54kg placed 16 in/
40cm ahead of rear idler
shaft
3/8” - 1/2” (1 - 1.3cm)
Front Suspension
Suspension Type EDGE 42.5
Shocks Arvin Nitrex Gas Bag
IFS Spring Rate
lbs/in (N/mm)
100 (1.79)
Spring Pre-load
Inches (cm)
.625 (15.9)
Front Vertical Travel
Inches (cm)
10 (25.4)
Suspension Setup
Width
Inches (cm)
40.44 +/- .25 (102.71 +/- .63)
Camber Inches (cm) .59 +/- .31 (1.5 +/- .8)
Toe Out Inches (cm)
(Measured over 20
inches)
.12 - .25 (.30 - .63)
Rear Suspension
Suspension Type EDGE 121
Front Track Shock
(FTS)
Arvin Nitrex Gas Bag
FTS Spring Rate
lbs/in (N/mm)
200 - 240 (3.6 - 4.3)
Rear Track Shock
(RTS)
Ryde FX MPV
Compression Adjustable
Torsion Springs
.359 / 77_
(Stock: 550LX / Soft: Supersport)
- PN 7041629 - 067
- PN 7041630 - 067
.375 / 77_
( Firm: 550LX / Stock: Supersport)
- PN 7041942 - 067
- PN 7041943 - 067
.405 / 77_ (Firm: Supersport)
- PN 7041940 - 067
- PN 7041941 - 067
Rear Travel Inches
(cm)
13.9 (35.3)

10. 1.8
Model Specifications
2008 Trail Touring Deluxe
Model Number: S08NT5BS / S08NT5BE
Engine
Engine Type
Fuji Fan-Cooled / Piston
Port w/Reed Assist
Induction
Model Number EC55PM101
Displacement / # Cylinders 544cc / 2
Bore (inches/mm) 2.87 / 73
Stroke (inches/mm) 2.56 / 65
Piston to Cylinder Clearance
(inches/mm)
.0039 - .0053 (.10 - .135)
Installed Ring Gap
(inches / mm)
.016 - .022 (.40 - .55)
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 3800
Carburetor Settings
Type Mikuni VM34
Main Jet 240
Pilot Jet 35
Jet Needle/Clip position 6BGY41 / 4
Needle Jet Q-0 (480)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.256 / 6.5
F
Cutaway 3.0
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) 1.0
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
270
#4
260
#4
250
#4
240
#4
230
#3
220
#3
210
#2
200
#1
600-1200
(2000-4000)
260
#4
250
#4
240
#3
230
#3
220
#3
220
#2
210
#2
200
#1
1200-1800
(4000-6000)
250
#4
240
#3
230
#3
220
#3
210
#2
210
#2
200
#2
190
#1
1800-2400
(6000-8000)
230
#3
220
#3
220
#3
210
#2
210
#2
200
#2
190
#1
180
#1
2400-3000
(8000-10,000)
220
#3
210
#3
210
#2
200
#2
190
#2
190
#2
180
#1
170
#1
3000-3700
(10,000-12,000)
210
#3
200
#3
190
#2
190
#2
180
#2
180
#2
170
#1
160
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-62
BLU / WHT
RED/BLU
56/42 - .36
LW ER
21:41-74
600-1200
(2000-4000)
10-60
1200-1800
(4000-6000)
1800-2400
(6000-8000)
10-58
20:41-74
2400-3000
(8000-10000)
10-56
3000-3600
(10000-12000)
Dark Blue
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

11. 1.9
Model Specifications
1
General
Width (in/cm) 48 / 121.9
Length (in/cm) 128 / 325.1
Height (in/cm) 49.5 / 125.7
Estimated Dry Weight
(lb/kg)
570 / 258.8
Fuel (Gallons / Liters) 12.25 / 146.4
Oil (Quarts / Liters) 3.4 / 3.2
Brake Fluid DOT 4
Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)
3211078
1.438 / 3.65
28_
46.625 / 118.4
11.5 / 29.2
Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Reverse System
7.96
21
41
74
Polaris Synthetic
9 / 266.2
Perc
Electrical
Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)
13.5 - 14.5 Vdc
280
Ignition Timing
27_ @ 3000 RPM
14_ @ 6500 RPM
Spark Plug Gap in.(mm) .028 (.70)
Spark Plug NGK BR9ES
CDI Marking EC55PM100 / 110
Flywheel Marking FP6318
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 136 (345.4)
Lug Height - Inches (cm) 1.0 / (2.5)
Track tension sag in/cm with
10 lbs/4.54kg placed 16 in/
40cm ahead of rear idler
shaft
7/8” - 1 1/8” (2.2 - 2.9cm)
Front Suspension
Suspension Type EDGE 42.5
Shocks
Arvin Nitrex
Compression Adjustable
IFS Spring Rate
lbs/in (N/mm)
100 (1.79)
Spring Pre-load
Inches (cm)
.625 (15.9)
Front Vertical Travel
Inches (cm)
10 (25.4)
Suspension Setup
Width
Inches (cm)
40.44 +/- .25 (102.71 +/- .63)
Camber Inches (cm) .59 +/- .31 (1.5 +/- .8)
Toe Out Inches (cm)
(Measured over 20
inches)
.12 - .25 (.30 - .63)
Rear Suspension
Suspension Type EDGE 136
Front Track Shock (FTS) Arvin Nitrex Gas Bag
FTS Spring Rate
lbs/in (N/mm)
200 - 240 (3.6 - 4.3)
Rear Track Shock (RTS)
Ryde FX MPV
Compression Adjustable
Torsion Springs
.405 / 77_ (Stock)
- PN 7041940 - 067
- PN 7041941 - 067
.375 / 77_ (Soft)
- PN 7041942 - 067
- PN 7041943 - 067
Rear Travel Inches (cm) 13.9 (35.3)

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13. 1.10
Model Specifications
2008 Trail RMK
Model Number: S08NJ5BS / S08NJ5BE
Engine
Engine Type
Fuji Fan-Cooled / Piston
Port w/Reed Assist
Induction
Model Number EC55PM101
Displacement / # Cylinders 544cc / 2
Bore (inches/mm) 2.87 / 73
Stroke (inches/mm) 2.56 / 65
Piston to Cylinder Clearance
(inches/mm)
.0039 - .0053 (.10 - .135)
Installed Ring Gap
(inches / mm)
.016 - .022 (.40 - .55)
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 3800
Carburetor Settings
Type Mikuni VM34
Main Jet 210
Pilot Jet 35
Jet Needle/Clip position 6BGY41 / 2
Needle Jet Q-0 (480)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.264 / 6.71
G - 17/64
Cutaway 3.0
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) .75
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
270
#4
260
#4
250
#4
240
#4
230
#3
220
#3
210
#2
200
#1
600-1200
(2000-4000)
260
#4
250
#4
240
#3
230
#3
220
#3
220
#2
210
#2
200
#1
1200-1800
(4000-6000)
250
#4
240
#3
230
#3
220
#3
210
#2
210
#2
200
#2
190
#1
1800-2400
(6000-8000)
230
#3
220
#3
220
#3
210
#2
210
#2
200
#2
190
#1
180
#1
2400-3000
(8000-10,000)
220
#3
210
#3
210
#2
200
#2
190
#2
190
#2
180
#1
170
#1
3000-3700
(10,000-12,000)
210
#3
200
#3
190
#2
190
#2
180
#2
180
#2
170
#1
160
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-600
(0-2000)
10-64
BLU/WHT RED/BLU
56/42 .36
LW ER
19:43 - 74
600-1200
(2000-4000)
10-62
1200-1800
(4000-6000)
10-60
1800-2400
(6000-8000)
2400-3000
(8000-10000)
10-58
3000-3600
(10000-12000)
10-56
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)

14. 1.11
Model Specifications
1
General
Width (in/cm) 45.5 / 115.6
Length (in/cm) 124 / 315
Height (in/cm) 48 / 121.9
Estimated Dry Weight
(lb/kg)
475 / 215.7
Fuel (Gallons / Liters) 11.8 / 44.7
Oil (Quarts / Liters) 3.4 / 3.2
Brake Fluid DOT 4
Drive Belt
Part Number
Width (inches / cm)
Side Angle
Circumference (inches / cm)
Center Distance (inches / cm)
3211078
1.438 / 3.65
28_
46.625 / 118.4
11.5 / 29.2
Chaincase
Center Distance (inches)
Top Gear (Stock)
Bottom Gear (Stock)
Chain (Stock)
Gear Lube
Capacity (oz / ml)
Reverse System
7.92
19
43
74
Polaris Synthetic
9 / 266.2
Perc
Electrical
Alternator Output
Operating Voltage
Watts @ 13.5 Vdc (Total)
13.5 - 14.5 Vdc
280
Ignition Timing
27_ @ 3000 RPM
14_ @ 6500 RPM
Spark Plug Gap in.(mm) .028 (.70)
Spark Plug NGK BR9ES
CDI Marking EC55PM100 / 110
Flywheel Marking FP6318
Track
Width - Inches (cm) 15 (38)
Length - Inches (cm) 136 (345)
Lug Height - Inches (cm) 1.25 (3.175)
Track tension sag in/cm with
10 lbs/4.54kg placed 16 in/
40cm ahead of rear idler
shaft
3/8” - 1/2” (1 - 1.3cm)
Front Suspension
Suspension Type EDGE RMK 41
Shocks Arvin Nitrex Gas Bag
IFS Spring Rate
lbs/in (N/mm)
100 (1.79)
Spring Pre-load
Inches (cm)
.625 (15.9)
Front Vertical Travel
Inches (cm)
7.6 (19.3)
Suspension Width
Inches (cm)
40.90 +/- .25 (103.88 +/- .63)
Camber Inches (cm) .735 +/- .31 (1.5 +/- .8)
Toe Out Inches (cm)
(Measured over 20
inches)
0 - .12 (0 - .30)
Rear Suspension
Suspension Type EDGE RMK 136
Front Track Shock (FTS) Arvin Nitrex Gas Bag
FTS Spring Rate
lbs/in (N/mm)
200 - 240 (3.6 - 4.3)
Rear Track Shock (RTS)
Arvin Nitrex
Compression Adjustable
Torsion Springs
.347 / 77_ (Stock)
- PN 7041627 - 067
- PN 7041628 - 067
.347 / 47 (Soft)
- PN 7042081 - 067
- PN 7042082 - 067
.375 / 77 (Firm)
- PN 7041631 - 067
- PN 7041632 - 067
.405 / 77_ (Most Firm)
- PN 7041940 - 067
- PN 7041941 - 067
Rear Travel Inches (cm) 13.8 (35.1)

15. 1.12
Model Specifications
2008 Widetrak LX
Model Number: S08SU4BS / S08SU4BE
Engine
Engine Type
Fuji Liquid-Cooled / Piston
Port Induction
Model Number EC50PL238
Displacement / # Cylinders 488cc / 2
Bore (inches/mm) 2.83 / 72
Stroke (inches/mm) 2.36 / 60
Piston to Cylinder Clearance
(inches/mm)
.0035 - .0049 / .090 - .125
Installed Ring Gap
(inches / mm)
.0078 - .0157 / .20 - .40
Operating RPM ±200 7000
Idle RPM 1600
Engagement RPM ±200 3800
Carburetor Settings
Type Mikuni VM34SS
Main Jet 195
Pilot Jet 35
Jet Needle/Clip position 6EJ26 / 2
Needle Jet P-6 (166)
Throttle Gap (Under Cutaway) (in/mm)
Drill Bit Size
.240 / 6.1
B - 15/64
Cutaway 3.0
Valve Seat 1.5 Viton
Starter Jet 1.5
Pilot Air Jet 2.5
Air Screw (Turns Out) .5
Recommended Fuel Octane (R+M/2)
87
(Non-Oxygenated)
Carburetor Jetting
Altitude
Meters (feet)
Ambient Temperature
<
-25°F/<-35°C
-30°F
to
-10°F/-34°C
to
-23°C
-15°F
to
+5°F/-26°C
to
-15°C
0°F
to
+20°F/-18°C
to
-7°C
+15°F
to
+35°F/-9°C
to
+2°C
+30°F
to
+50°F/-1°C
to
+10°C
+45°F
to
+65°F/+7°C
to
+18°C
>+60°F/>+16°C
0-600
(0-2000)
210
#2
200
#2
195
#2
190
#2
185
#2
175
#2
170
#2
170
#1
600-1200
(2000-4000)
195
#2
185
#2
180
#2
175
#2
170
#2
165
#2
155
#1
155
#1
1200-1800
(4000-6000)
185
#2
175
#2
170
#2
165
#2
160
#2
155
#1
145
#1
145
#1
1800-2400
(6000-8000)
170
#2
165
#2
155
#2
155
#2
150
#1
140
#1
135
#1
135
#1
2400-3000
(8000-10,000)
160
#2
155
#2
145
#1
145
#1
140
#1
130
#1
120
#1
120
#1
3000-3700
(10,000-12,000)
150
#2
140
#1
135
#1
130
#1
125
#1
120
#1
110
#1
110
#1
Clutch Settings
ALTITUDE
meters
(feet)
DRIVE CLUTCH DRIVEN CLUTCH
Shift
Weight
Clutch
Spring
Clutch
Spring
Driven
Helix
Gearing
0-900
(0-3000)
10 Brown
Silver
36D
#2
19:41-66
900-1800
(3000-6000)
10
RED/WHT
1800-2700
(6000-9000)
10M-B
2700-3700
(9000-12,000)
10M-W
Drive Clutch Bolt Torque: 50 lb.ft. (68Nm)